Patent information:
| Patent: | Utility 386,111 |
| Patented: | July 17, 1888 |
| Applied: | October 21, 1887 |
| Title: | Electric Wire Insulator |
| Description: | Knobs paired to hold wire in trees |
| Category: | Knob |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 156 | INSULATORS; Divided insulator; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 148 | INSULATORS; Multiple insulator assemblies; |
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 158R | INSULATORS; With insulator-supporting or attaching means; |
Known specimens:
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Drawings:
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